how does mitt romney's jump, as you've seen it so far, stack up with prior presidential debates? >> well, certainly, his debate performance itself is historic! you know, we've said to americans, who did better? it was a 52-point margin. and this is thursday and friday, and by then, i think people who have been watching your station and others have kind of learned that romney did better, but nevertheless, that's a huge gap, as you see. clinton also did well in '92 against bush the elder, but not as well. and barack obama himself did good back in '08, but again, not as well. but as we've been talking about, the real impact of the debates that people are interested in is, does it change the probability that one candidate will win or not? and romney picked up short term, but long term doesn't look as much, but we'll continue to monitor it. >> there is also the question of the vice presidential debate. have vice presidential debates ever moved the numbers in any significant way, frank? >> interesting question. can't go back to the 1800s. we don't see it. you know, we don't poll as muc